Successful entrepreneurs are typically hardworking individuals. They put in the time and effort necessary to achieve their goals and overcome challenges. They are driven by their passion and dedication to their business. Resistance to change, laziness, and lack of confidence are qualities that can hinder entrepreneurial success. Entrepreneurs must be adaptable, driven, and proactive.
On the day of her examination, Riya sharpened her pencil from both ends as shown below. 
The diameter of the cylindrical and conical part of the pencil is 4.2 mm. If the height of each conical part is 2.8 mm and the length of the entire pencil is 105.6 mm, find the total surface area of the pencil.